SOLUTION: If r = -2 and s = 5, what is the value of r^2(2r + s)?

Algebra ->  Equations -> SOLUTION: If r = -2 and s = 5, what is the value of r^2(2r + s)?      Log On


   

Question 875347: If r = -2 and s = 5, what is the value of r^2(2r + s)?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
r^2(2r + s)


(-2)^2(2(-2) + 5)


4(2(-2) + 5)


4(-4 + 5)


4(1)


4


r^2(2r + s) = 4 when r = -2 and s = 5